21P/Giacobini-Zinner (Record n° 19716)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2018 Sep 16 02h12 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Coma Total magnitude (m1) 9.2 Aperture radius used for m1 0.81 ' Nuclear magnitude (m2) 11.6 m2 standard deviation 0.1 Aperture radius used for m2 6.5 " Coma diameter 11 ' Afrho 458 cm Afrho error 23 cm r (dist/Sun) 1.016 AU d (dist/Earth) 0.397 AU Right ascension 06 11 49.31 h m s Declination +23 08 38.3 ° ' " MPC report COD C10
CON J.-F. Soulier [jean-francois.soulier2@wanadoo.fr]
OBS J.-F. Soulier
MEA J.-F. Soulier
TEL 0.30-m f/3.8 Newtonian reflector + CCD
ACK MPCReport file updated 2018.09.16
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0021P C2018 09 16.09159 06 11 49.31 +23 08 38.3 11.5 R C10
0021P C2018 09 16.11053 06 11 52.71 +23 06 43.4 9.2 T C10
0021P C2018 09 16.12550 06 11 56.14 +23 05 09.3 11.6 R C10
Instrument type Newton Instrument aperture (0=naked eye) 300 mm Instrument focale length 1140 mm Instrument focale/diameter 3.8 Filter(s) Rc (UBVRI) Camera ST8-XME Sensor CCD Sensor temperature -15 °C Binning 1x1 Mount F60a Axis Instruments Autoguide No Exposure details 60 x 20s Observatory MPC code C10 Location Seine et Marne (77) Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.62 "/pix Observation submission date 2018 Sep 16 09h17m50s Observation modification date 2018 Sep 16 15h07m40s